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A person standing close to the edge on top of a 96-foot building throws a ball vertically upward. The quadratic function h(t) = - 16t^2 + 116t + 96 models the balls height about the ground, h(t), in feet, t seconds after it was thrown.

a) What is the maximum height of the ball? __ feet

b) How many seconds does it take until the ball hits the ground? __ seconds